Lamp



FIG. 1 is a bottom perspective view of the lamp;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a cutaway left side view thereof.

The portions of the lamp shown in broken lines form no part of the claimed design. 

CLAIM What is claimed is the ornamental design for a lamp, as shown and described. 